How to create a refraction plane in the BGE?
The only limit of this script is your Hardware configuration (RAM, GPU, CPU).

You can use the fake reflections too, with a texture and in the Texture pannel, replace the Mapping Coordinates to "Reflection" (Use GLSL for see in real time).

Many games use the fake reflection, but the camera may move for see the correct fake reflections.

Here a blend with reflection texture that i made (Gold texture):

https://mega.nz/#!qlNARDoY!W9FotR5a0zFJ-XXgUHFXLqDSaN6eVw56bzw9vBOxf_I